sig-k8s-infra: Add cleanup job for disk snapshots

Related:
  - Ref: kubernetes/k8s.io#2241
  - Part of kubernetes/k8s.io#1469

Add a cleanup job that will delete disk snapshots older than 30 days created by sig-scalability periodic
job ci-golang-tip-k8s-1-18-canary.

Signed-off-by: Arnaud Meukam <ameukam@gmail.com>

config/jobs/kubernetes/sig-scalability/sig-scalability-cleanup.yaml

@@ -31,3 +31,49 @@ periodics:
       - ci-kubernetes-e2e-gci-gce-scalability
       # Delete snapshots older than x days
       - "30"
+
+- name: ci-kubernetes-scalability-cleanup-golang-builds-canary
+  cluster: k8s-infra-prow-build
+  interval: 24h
+  labels:
+    preset-service-account: "true"
+  decorate: true
+  decoration_config:
+    timeout: 60m
+  extra_refs:
+  - org: kubernetes
+    repo: perf-tests
+    base_ref: master
+    path_alias: k8s.io/perf-tests
+  annotations:
+    # TODO(ameukam): update with email alert
+    testgrid-dashboards: sig-k8s-infra-canaries
+    testgrid-tab-name: golang-build-5k-project-snapshots-cleanup-canary
+    testgrid-alert-email: ameukam@gmail.com
+    testgrid-num-failures-to-alert: '3'
+  spec:
+    serviceAccountName: boskos-janitor
+    containers:
+    - image: gcr.io/k8s-staging-test-infra/kubekins-e2e:v20210917-ee1e7c845b-master
+      command:
+      - runner.sh
+      - /workspace/scenarios/execute.py
+      args:
+      - $(GOPATH)/src/k8s.io/perf-tests/clusterloader2/clean-up-old-snapshots.sh
+      # Command (list|delete)
+      - delete
+      # Comma-separated list of projects to process
+      # It should match projects list for type: scalability-project in prow/cluster/boskos-resources.yaml
+      - k8s-infra-e2e-scale-5k-project
+      # Comma-separated list of snapshot prefixes to delete
+      # TODO (ameukam): drop canary when migration is over: https://github.com/kubernetes/k8s.io/issues/2241
+      - ci-golang-tip-k8s-1-18-canary
+      # Delete snapshots older than x days
+      - "30"
+      resources:
+        limits:
+          cpu: 2
+          memory: 4Gi
+        requests:
+          cpu: 2
+          memory: 4Gi